The Ring,retaining, cataloged under National Stock Number 5325-01-258-8604, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Zf Friedrichshafen Ag. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-258-8604 |
| Primary Part Number | 0630532004 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Zf Friedrichshafen Ag |
| Status | ACTIVE |
| Material Hardness Rating | 470.0 VICKERS MINIMUM AND 580.0 VICKERS MAXIMUM |
| Usage Design | INTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 21.0 MILLIMETERS NOMINAL MM |
| Major Thickness | 1.0 MILLIMETERS NOMINAL MM |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | INTERNAL |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 0630532004 | Zf Friedrichshafen Ag (DEU) |
| 40M7254 | Deere & Company Dba Deere John Co (USA) |
| DIN472-20X1.5 | Din Deutsches Institut Fur Normung Ev (DEU) |
| Reference | Meaning |
|---|---|
| 0630 532 004 | 3/9 Design control — primary reference Zf Group North American Operations, Inc. Dba Zf Services North America Div Sales and Service |
NSN 5325-01-258-8604 is a Ring,retaining, manufactured by Zf Friedrichshafen Ag, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-258-8604 has 3 manufacturer part numbers on file: 0630532004 (Zf Friedrichshafen Ag), 40M7254 (Deere & Company Dba Deere John Co), DIN472-20X1.5 (Din Deutsches Institut Fur Normung Ev).
Key specifications for 0630532004: Material Hardness Rating: 470.0 VICKERS MINIMUM AND 580.0 VICKERS MAXIMUM; Usage Design: INTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 21.0 MILLIMETERS NOMINAL MM. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.